Stratosphere is the last layer of the atmosphere of our planet, it gravity tends to almost zero, rarefied oxygen, practically visible space, and it is in this environment you will have to control a ball collecting crystals, overcoming the adverse physical, and tech obstacles, and all of it timed.
The environments will vary in physical matters, time and space. Fog, explosions, planets, and metaphysical issues will always be present throughout the game.
Navigation is orbital, that is not only free to view and move around at all angles, and gives sense of immersion unique.
Take it like a NASA training exercise.